Conditioning A/V Signals for RF Modulation
Even as display devices move toward digital video, they retain the legacy of an RF-modulated analog TV output. That output is specified in the US by the National Television Standards Committee (NTSC), and utilized in security applications and in the Digital Video Broadcasting (DVB) Project as specified by the European TV standard phase alternation line (PAL). All modulators, whether simple analog types or single-chip synthesizers, require properly conditioned audio and video input signals.
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